ABB OmniCore C30 Product Manual page 556

6 Troubleshooting
6.3.11 Troubleshooting the robot signal exchange proxy
Continued
LEDs
The illustration below shows the LEDs on the robot signal exchange proxy:
xx1700001886
MS
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Description
Status LED (bi-colored green/red) for the
robot signal exchange proxy.
Note
The status LED light stays on for a long
time after power to the controller is gone.
This is due to the capacitors in the robot
signal exchange proxy.
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Significance
The status indicator LED can be used to
identify the following status during star-
tup/power on:
• Red, solid: Default when power is
available.
• Red, flashing: Power on self-test
ongoing, operating system is
loading.
• Green, flashing: Application is
loaded and waiting for communic-
ation.
• Green, solid: Module is operation-
al.
If the LED does not turn steady green
after 30-60 sec, the status LED can be
used to identify the following issues:
• No color: Power to the robot signal
exchange proxy is missing.
• Red, solid: Internal error.
• Red, flashing: Firmware error or
self-test failure.
• Green, flashing: Communication
error to another module.
Product manual - OmniCore C30
3HAC060860-001 Revision: P